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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
milled wax + e.max = open margins
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<blockquote data-quote="Kam Yu" data-source="post: 262320" data-attributes="member: 11735"><p>Try using medium pressure to press the milled wax onto the die right out of the mill. checking the intaglio occlusal surface of the wax pattern for indentions made by the die where the die may have sharp edges. If you see the die made indentions in your wax, carve them away. Do this a few times till it is the margin/chamfer holding up the crown and not the occlusal area. I have to do this from time to time. Also, some people do a 360 porcelain margin type cutback when marking margins, dont do that because again you want the chamfer to hold the crown up.</p></blockquote><p></p>
[QUOTE="Kam Yu, post: 262320, member: 11735"] Try using medium pressure to press the milled wax onto the die right out of the mill. checking the intaglio occlusal surface of the wax pattern for indentions made by the die where the die may have sharp edges. If you see the die made indentions in your wax, carve them away. Do this a few times till it is the margin/chamfer holding up the crown and not the occlusal area. I have to do this from time to time. Also, some people do a 360 porcelain margin type cutback when marking margins, dont do that because again you want the chamfer to hold the crown up. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
milled wax + e.max = open margins
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